Granted Patent
Utility
US 4,606,850 · App. 06/706,561
Hard surface cleaning composition and cleaning method using same
Inventor:
Arshad H. Malik
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Feb 28, 1985
Inventor
Arshad H. Malik
Assignee (at issue)
A.E. Staley Manufacturing Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.